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STS Operation

STS Operation

Making fast before commencing disharge/load

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Quite why they have left the hoses hanging over the side (to almost be used as fenders) and not waited until the ships are all fast before passing them across, is a mystery; as indeed is the entire operation being conducted whilst the ships are underway… I can understand the desire for Grey Funnel Line to risk life and limb to transfer oil at speed, but not here when the ships are not of that type and more like VLCC’s that could be safely, or relatively safely, left at anchor until the oil transfer had been done….
 

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The right hand vessel has 9m fenders attached so the hoses get no where near the other ship. The hoses are left attached to the mother vessel and lifted onto the daughter once all fast.
The tansfer doesnt commence until they mother vessel is anchored, you obviously wouldnt do at underway
 

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Tonga. The hoses are left on the STBL "VLCC" as most time the VLCC has to be lightered at least four times, a lot of the time the primary fenders are left attached to the STBL "mother vessel" as well, there are three lightering company in operation in the Gulf of Mexico, some of the VLCC are lightered by several of the companies which means a lot of shuffling of equipment. It has been found that it safer to do this mooring operation under way at an ideal speed of 5 knots, cargo transfer is carried out with the vessels at anchor or drifting and can take any where from 10hrs to 24hrs. Belive it or not there have been very few accidents over the last ten years. Rgds Jon
 

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Many thanks Jon, much appreciated - I live and learn (and it took me a few minutes to work out that STBL = Ship to be Lightered) (Thumb)
 

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